The Los Angeles Fire Department rushed to Wilmington after a tunnel collapsed and trapped 27 people inside.Four other workers went in after the collapse to help the others. The construction workers inside the underground tunnel were rescued roughly an hour after the collapse,

An industrial tunnel in Los Angeles collapsed partially. None of those rescued had major injuries, authorities said.

There was one entry point to the 18-foot wastewater tunnel that some 31 people were working in late on Wednesday night, per the LA fire department.